class_docstr: wappwer of abstrcat Loss 
code: def __init__(self, config):
      self._config = config
  
file_path: delta/delta/utils/loss/base_loss.py
imports: import abc
  import delta.compat
  from delta.utils import summary
label_desc: Use image node_id 1 to create a new Loss object from inherited base classes: ABCLoss with example: obj = Loss(config)